Orthodoxy \Or"tho*dox`y\, n. [Gr. ?: cf. F. orthodoxie. See Orthodox.]

1. Soundness of faith; a belief in the doctrines taught in the Scriptures, or in some established standard of faith; -- opposed to heterodoxy or to heresy.

Basil himself bears full and clear testimony to Gregory's orthodoxy. --Waterland.

2. Consonance to genuine Scriptural doctrines; -- said of moral doctrines and beliefs; as, the orthodoxy of a creed.

3. By extension, said of any correct doctrine or belief.

Source: Webster's Revised Unabridged Dictionary (1913)